Xcode11beta3不再接受此代码来实例化UIAction: let action = UIAction(__title: "title", image: someImage, options:我发现a post on Apple Developer Forums描述了同样的问题和现在被接受的语法,但它导致了运行时错误: let action = UIAction(__title: "title", image: someImage, identifier: nil, handler: { _ i